Thank you for having the manual I needed for an older model Aiwa stero I had found on Ebay --- I wanted the Aiwa because I had tapes and cd's but I did not have a manual as to how to operate the system... I found what I needed and it has enabled me to set the system up for my enjoyment.
I wished detailed information of the JBL S310 and here I found it! Very happy with the service from this site!
Text excerpt from page 18 (click to view)
Cleaning the hinged grill
This model has been fitted with a hinged grill element to enable you to clean the roof of the oven easily. Before proceeding ensure the oven is cool and is isolated from the electricity supply.
1) Undo the screw which holds the grill in
place (see diagram beside).
FO 0781
2) Then gently pull the grill downward to allow access to the oven roof (see diagram beside). 3) Clean the oven roof with a suitable cleaner and wipe dry before replacing the hinged grill element. 4) Gently push up the grill element into place and firmly screw into place the holding nut. Ensure the grill holding nut is firmly in place to avoid the grill falling down when in use